KS Shadowline Interior Panel

KS Shadowline Interior panels are applicable for both wall and ceiling conditions in cold storage buildings, food and meat processing plants, critical temperature and controlled environment areas as well as in medical and pharmaceutical facilities. The superior engineered joint assures a tight, well designed vapor barrier in enclosures of any size.

  • KS Shadowline Interior will help meet U.S. building code requirements
  • 45 3/8” module width aides in faster installation and quicker building close-in
  • Double tongue and groove interlocking joint provides superior airtightness and low thermal bridging
  • KS Shadowline Interior panels are an integral part of a high performance building envelope
  • Imperial White Standard finish meets USDA guidelines
  • GREENGUARD Gold Certified

Product Information

Technical Information
Performance Testing & Approvals
Profile Exterior: Shadowline
Interior: Shadowline
Embossing Exterior: Stucco or non-embossed
Interior: Stucco or non-embossed
Gauge Exterior: 26, 24, 22 ga
Interior: 26, 24, 22 ga
Width 45 ⅜"
Thickness 2”, 3”, 4”, 5”, 6”*
Length 8’ - 53’
Reveal option N/A
Orientation Vertical
Post fabrication N/A
R-value ≈ 7.2 per inch per ASTM C518 @ 75˚F
≈ 8.25 per inch per ASTM C518 @ 35°F
*2.75” and 8” are also available, although only from our facility in Langley, BC, Canada
Test Procedure Results
Fire FM-4880 Class 1 Fire Rating of Insulated Wall or Wall and Roof / Ceiling Panels, Interior Finish Materials or Coatings, and Exterior Wall Systems
ASTM E84 Flame Spread: 25 or Less / Smoke Developed: 450 or Less
CAN/ULC-S138 Fire growth of foamed plastic insulated building panels in a full scale room configuration
CAN/ULC-S102 Flame spread: 20, Smoke developed: 350 for panel with facings
CAN/ULC-S127 Flame Spread: <500 for foam core
NFPA 259 Standard Fire Test Method for Evaluation of Fire Propagation
Characteristics of Exterior Non-Load-Bearing Wall Assemblies Containing Combustible Components
Thermal Transmission ASTM C518
Thermal Performance at 75°   Thermal Performance at 35°
Thickness U-Factor R-Value Thickness U-Factor R-Value
2 0.07 14.4 2 0.06 16
2.75 0.05 19.8 2.75 0.05 22
3 0.05 21.6 3 0.04 24
4 0.03 28.8 4 0.03 32
5 0.03 36.0 5 0.03 40
6 0.02 43.2 6 0.02 48
8 0.02 57.6 8 0.02 64
Fatigue Subjected to 2 million alternate cycles of 20 PSF positive and negative wind loading No metal / foam delamination or metal fatigue
Humidity Sample subjected to 100% relative humidity at 140 °F for 1000 hours No evidence of metal primer corrosion
Autoclave Sample placed in an autoclave device and pressurized to 2 PSI at 212 °F for 2 ½ hours No evidence of delamination
Skin Delamination   Sample placed in an autoclave device and pressurized to 2 PSI at 212 °F for 2½ hrs
No skin delamination with direct pull off pressure up to 1188 psf

Product reliability is critical, particularly in controlled atmosphere applications where the challenges of meeting the climatic extremes require special know-how and experience.  For peace of mind, our teams offer comprehensive guidance and expertise during the design and construction phases of the project and are backed by Kingspan’s broad coverage warranties:

  • 2 year standard material workmanship warranty
  • Up to 20 years standard finish warranty
Contact our sales or customer service departments for information regarding our optional warranty programs.


Now available with QuadCore Technology

It's all in the gray cells - learn about the QuadCore difference here.

Featured Projects


Controlled Environments Product Selector

Color Chart

HERCULES Door Brochure

Be Inspired Global Case Study Book

KS Shadowline Interior Data Sheet

KS Shadowline Interior QuadCore Data Sheet

KS Series Vertical Cold Storage CAD Details (DWG)

KS Series Vertical Cold Storage CAD Details (PDF)

Environmental Product Declaration - PIR

Environmental Product Declaration - QuadCore

For the complete controlled environments building envelope solution, consider these complementary products.

Support & Training

Can we help or provide a sample?

We use cookies on our website To find out more about the cookies we use, or to change your cookie preferences i.e. to remove your consent to our use of certain categories of cookies, please visit our Cookie Policy & Control page.

Please click “Accept and close” to accept the use of cookies on our website. If you do not click “Accept and close” but continue to use this website: you thereby consent to the use of all Kingspan's cookies and third party cookies for the purposes of improving performance, improving functionality and audience measurement, in accordance with the terms laid out in our Cookie Policy & Control page; and we will assume that you have read and understood our Cookie Policy & Control page.

The Cookie Policy & Control and Website Privacy Notice were updated on 13 August 2018.